311113252 has 6 divisors (see below), whose sum is σ = 544448198. Its totient is φ = 155556624.

The previous prime is 311113223. The next prime is 311113259. The reversal of 311113252 is 252311113.

It can be written as a sum of positive squares in only one way, i.e., 232684516 + 78428736 = 15254^2 + 8856^2 .

It is not an unprimeable number, because it can be changed into a prime (311113259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38889153 + ... + 38889160.

Almost surely, 2^311113252 is an apocalyptic number.

It is an amenable number.

311113252 is a deficient number, since it is larger than the sum of its proper divisors (233334946).

311113252 is a wasteful number, since it uses less digits than its factorization.

311113252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77778317 (or 77778315 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 311113252 is about 17638.4027621551. The cubic root of 311113252 is about 677.5991254861.

Adding to 311113252 its reverse (252311113), we get a palindrome (563424365).

It can be divided in two parts, 3 and 11113252, that added together give a triangular number (11113255 = T₄₇₁₄).

The spelling of 311113252 in words is "three hundred eleven million, one hundred thirteen thousand, two hundred fifty-two".